| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. L Seres vs J Dudas |
| 1-0 | 37 | 1989 | HUN-chT | D37 Queen's Gambit Declined |
| 2. J Dudas vs G Mester |
 | 1-0 | 21 | 1989 | HUN-chT | B08 Pirc, Classical |
| 3. J Kovacs vs J Dudas |
| 1-0 | 63 | 1989 | HUN-chT | A51 Budapest Gambit |
| 4. J Dudas vs E Kahn |
| 1-0 | 35 | 1989 | HUN-chT | A52 Budapest Gambit |
| 5. P Petran vs J Dudas |
| 1-0 | 37 | 1990 | Bratislava Slovan op | A07 King's Indian Attack |
| 6. J Dudas vs D Mikulas |
| 1-0 | 35 | 1990 | Bratislava Slovan op | A67 Benoni, Taimanov Variation |
| 7. J Dudas vs R Kohlmann |
| 0-1 | 61 | 1990 | Bratislava Slovan op | E92 King's Indian |
| 8. J Tokos vs J Dudas |
| 0-1 | 39 | 1990 | Bratislava Slovan op | A13 English |
| 9. L Knazovcik vs J Dudas |
| 1-0 | 47 | 1990 | Bratislava Slovan op | B22 Sicilian, Alapin |
| 10. P Pusec vs J Dudas |
| 0-1 | 66 | 1990 | Bratislava Slovan op | C10 French |
| 11. J Dudas vs M Mocary |
| 1-0 | 32 | 1990 | Bratislava Slovan op | D85 Grunfeld |
| 12. J Dudas vs S Duriga |
| 1-0 | 54 | 1990 | Bratislava Slovan op | A48 King's Indian |
| 13. J Prachar vs J Dudas |
| ½-½ | 45 | 1990 | Bratislava Slovan op | D35 Queen's Gambit Declined |
| 14. Z Almasi vs J Dudas |
| 1-0 | 53 | 1991 | HUN-chT | C10 French |
| 15. J Dudas vs T Schroeter |
| 1-0 | 37 | 1991 | HUN-chT | A43 Old Benoni |
| 16. J Dudas vs I Madl |
| 0-1 | 38 | 1991 | Budapest Spring op | B56 Sicilian |
| 17. I Kurucsai vs J Dudas |
| ½-½ | 29 | 1991 | HUN-chT | D02 Queen's Pawn Game |
| 18. J Dudas vs A Csoke |
| 1-0 | 79 | 1991 | HUN-chT | A46 Queen's Pawn Game |
| 19. J Dudas vs P Kral |
| ½-½ | 68 | 1992 | HUN-chT | A46 Queen's Pawn Game |
| 20. M Toth vs J Dudas |
| 0-1 | 36 | 1992 | HUN-chT | B84 Sicilian, Scheveningen |
| 21. J Dudas vs N Lakos |
| 1-0 | 63 | 1992 | HUN-chT | B08 Pirc, Classical |
| 22. J Dudas vs E Kahn |
| 1-0 | 76 | 1992 | HUN-chT | E99 King's Indian, Orthodox, Taimanov |
| 23. J Dudas vs L Ismailova |
| 1-0 | 25 | 1994 | Budapest FS09 IM-A | A81 Dutch |
| 24. J Dudas vs M Shukurova |
| 1-0 | 34 | 1994 | Bela Papp Memorial | D51 Queen's Gambit Declined |
| 25. J Dudas vs L Pergel |
| 1-0 | 38 | 1994 | Bela Papp Memorial | A46 Queen's Pawn Game |
Kibitzing
